21477001

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{13883}}^1$

素因数の和:13920

約数の個数: 16

約数和(自身を含む): 27990144

約数和(自身を除く): 6513143

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 13883, 97181, 180479, 236011, 1263353, 1652077, 3068143, 21477001]

約数ペア:

[(1, 21477001), (7, 3068143), (13, 1652077), (17, 1263353), (91, 236011), (119, 180479), (221, 97181), (1547, 13883)]